Open Source
Top GitHub repositories across AI, infrastructure, and developer tools — sorted by stars, updated within the last 2 years. Search for anything to find the most popular open source projects to learn from or contribute to.
LLMs & Foundation Models
Open source large language models, inference engines, and training frameworks.
morluto/rea
Reverse engineer anything with agents, from app behavior down to native binaries.
affaan-m/ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
NousResearch/hermes-agent
The agent that grows with you
firecrawl/firecrawl
Supercharge your AI agents with data from the web and beyond. Building the library for superintelligence. 🔥
Significant-Gravitas/AutoGPT
AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.
ollama/ollama
Get up and running with Kimi, GLM, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.
DietrichGebert/ponytail
Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
f/prompts.chat
f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.
huggingface/transformers
🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.
AI Agents & Agentic Frameworks
Frameworks for building autonomous AI agents, multi-agent systems, and agentic workflows.
NousResearch/hermes-agent
The agent that grows with you
Panniantong/Agent-Reach
Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.
shareAI-lab/learn-claude-code
Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1
career-ops-hq/career-ops
Open-source AI job search agent and job finder: scan job boards, score each job 1-5 against your CV before you apply, tailor an ATS-friendly resume and cover letter, get interview prep and a job application tracker. It helps you fill in each application; you press Submit. Runs locally in your AI coding CLI (Claude Code, Codex, OpenCode and more).
thedaviddias/Front-End-Checklist
🗂 The essential checklist for modern web development, for humans and AI agents
hugohe3/ppt-master
AI turns documents or topics into real, native PowerPoint decks—with native shapes, transitions and animations, data-backed charts and tables on demand, audio narration from speaker notes, and support for your own .pptx templates. · by Hugo He
ZhuLinsen/daily_stock_analysis
LLM 驱动的多市场股票智能分析系统:多源行情、实时新闻、决策看板与自动推送,支持零成本定时运行。 LLM-powered multi-market stock analysis system with multi-source market data, real-time news, decision dashboard, automated notifications, and cost-free scheduled runs.
bojieli/ai-agent-book
《深入理解 AI Agent:设计原理与工程实践》(李博杰 著)开源主仓库:全书正文、编译版 PDF 与按章配套代码
CherryHQ/cherry-studio
AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs
Vector Databases & RAG
Vector stores, embedding tools, and retrieval-augmented generation libraries.
Mintplex-Labs/anything-llm
Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience
meilisearch/meilisearch
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
pathwaycom/serviette
A no-code RAG server that keeps answers in sync with your documents. Works with 8 vector databases. Built on Pathway.
run-llama/llama_index
LlamaIndex is the document processing platform for AI
milvus-io/milvus
Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
volcengine/OpenViking
Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.
VectifyAI/PageIndex
📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG
qdrant/qdrant
Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
topoteretes/cognee
Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free
ML Infrastructure & MLOps
Tools for training, deploying, monitoring, and operating machine learning systems at scale.
GokuMohandas/Made-With-ML
Learn how to develop, deploy and iterate on production-grade ML applications.
apache/airflow
Apache Airflow - A platform to programmatically author, schedule, and monitor workflows
qdrant/qdrant
Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
HumanSignal/label-studio
Label Studio is a multi-type data labeling and annotation tool with standardized output format
mlflow/mlflow
The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.
jina-ai/serve
☁️ Build multimodal AI applications with cloud-native stack
NirDiamant/agents-towards-production
End-to-end, code-first tutorials for building production-grade GenAI agents. From prototype to enterprise deployment.
EthicalML/awesome-production-machine-learning
A curated list of awesome open source libraries to deploy, monitor, version and scale your machine learning
stas00/ml-engineering
Machine Learning Engineering Open Book
GPU & High-Performance Compute
CUDA libraries, GPU programming tools, and high-performance inference runtimes.
vllm-project/vllm
A high-throughput and memory-efficient inference and serving engine for LLMs
debpalash/VoiceStudio
VoiceStudio is the open-source, fully-local ElevenLabs alternative — voice cloning, voice design, video dubbing, dictation, transcription & audiobook creation in 646 languages.
jamiepine/voicebox
The open-source AI voice studio. Clone, dictate, create.
sgl-project/sglang
SGLang is a high-performance serving framework for large language models and multimodal models.
hashcat/hashcat
World's fastest and most advanced password recovery utility
bendlang/bend
Bend 2: a fast language that blocks AI mistakes via proof. Install: curl -fsSL https://bend-lang.com/install.sh | sh
NVlabs/instant-ngp
Instant neural graphics primitives: lightning fast NeRF and more
tracel-ai/burn
Burn is a next generation tensor library and Deep Learning Framework that doesn't compromise on flexibility, efficiency and portability.
kaldi-asr/kaldi
kaldi-asr/kaldi is the official location of the Kaldi project.
Kubernetes & Cloud Native
Cloud-native tools, Kubernetes operators, service meshes, and CNCF ecosystem projects.
ClickHouse/ClickHouse
ClickHouse® is a real-time analytics database management system
milvus-io/milvus
Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
Kong/kong
🦍 The API and AI Gateway
pingcap/tidb
TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.
rustfs/rustfs
RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.
zeromicro/go-zero
A cloud-native Go microservices framework with cli tool for productivity.
goharbor/harbor
An open source trusted cloud native registry project that stores, signs, and scans content.
alibaba/spring-cloud-alibaba
Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
go-kratos/kratos
Your ultimate Go microservices framework for the cloud-native era.
Infrastructure as Code
Terraform, Crossplane, Pulumi, and tools for declarative infrastructure management.
bregman-arie/devops-exercises
Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions
hashicorp/terraform
Terraform enables you to safely and predictably create, change, and improve infrastructure. It is a source-available tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.
MichaelCade/90DaysOfDevOps
This repository started out as a learning in public project for myself and has now become a structured learning map for many in the community. We have 3 years under our belt covering all things DevOps, including Principles, Processes, Tooling and Use Cases surrounding this vast topic.
GoogleCloudPlatform/microservices-demo
Sample cloud-first application with 10 microservices showcasing Kubernetes, Istio, and gRPC.
coder/coder
Secure environments for developers and their agents
mikefarah/yq
yq is a portable command-line YAML, JSON, XML, CSV, TOML, HCL and properties processor
GoogleCloudPlatform/terraformer
CLI tool to generate terraform files from existing infrastructure (reverse Terraform). Infrastructure to Code
semaphoreui/semaphore
Modern UI and powerful API for Ansible, Terraform/OpenTofu/Terragrunt, PowerShell and other DevOps tools.
infracost/infracost
Cloud cost intelligence for engineers, AI coding agents, and CI/CD 💰📉 Shift FinOps Left!
MCP & AI Tooling
Model Context Protocol servers, AI coding assistants, and the tooling layer for AI-native apps.
morluto/rea
Reverse engineer anything with agents, from app behavior down to native binaries.
affaan-m/ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
n8n-io/n8n
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.
langgenius/dify
Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.
Snailclimb/JavaGuide
Java 面试 & 后端通用面试指南,覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发
open-webui/open-webui
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
farion1231/cc-switch
A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. Only official website: ccswitch.io
Graphify-Labs/graphify
Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.
browser-use/browser-use
Open-source Python library for AI browser agents, plus Browser Use Cloud: stealth browsers and a hosted agent API.
Platform Engineering & DevOps
GitOps, CI/CD pipelines, internal developer platforms, and tools for platform teams.
openfaas/faas
OpenFaaS - Serverless Functions Made Simple
argoproj/argo-cd
Declarative Continuous Deployment for Kubernetes
argoproj/argo-workflows
Workflow Engine for Kubernetes
bytebase/bytebase
Database governance built for humans and agents — controlling changes and access across every major database.
meshery/meshery
Meshery, the cloud native manager
iam-veeramalla/Jenkins-Zero-To-Hero
Install Jenkins, configure Docker as slave, set up cicd, deploy applications to k8s using Argo CD in GitOps way.
khuedoan/homelab
Fully automated homelab from empty disk to running services with a single command.
pacifio/atlas
Source control for agents. Use multiple coding agents, track their changes and query them in one place
bitnami/sealed-secrets
A Kubernetes controller and tool for one-way encrypted Secrets